/Engine/Source/Editor/UnrealEd/Classes/Editor/EditorEngine.h
struct FCopySelectedInfo
bool
bAllActorsInSameLevel
If we have selected actors, are they within the same level
bool
bHasSelectedActors
Does the current selection contain actors
bool
bHasSelectedSurfaces
Does the current selection contain surfaces
ULevel*
LevelAllActorsAreIn
If they are in the same level, what level is it
ULevel*
LevelWithSelectedSurface
If we have selected surfaces, what level is it